Web-app source code

[fabrice]

@nivak91

for compiling i added mvn clean install -Dmaven.test.skip=true to the script.

@nivak91, added new options to the script compile_and_build_docker_image.sh

 -b | --build-only-dir <directory> Build only webapp and <directory> (relative to SOURCE_DIR)
 -w | --build-only-webapp          Build only webapp (relies on previous build)
      --skip-build-test            Skip unit tests

• available on develop branch 8af2e113
• Examples of use of these 3 options (in French)